The warmth of the flames also helped people stay warm in cold weather, enabling us to live in cooler areas.
寒冷的天气里，温暖的火苗能让人们觉得很暖和，从而可以生活在寒冷地区了。
In the cold nights, she hoped they would sit together close to the fire, but he preferred the darkness, far from the flames.
在寒冷的夜晚，她希望他们能坐在一起烤火，但他宁愿呆在黑暗里，离火远远地。
This result also proves that the effect of the cold wall is the main reason for the quenching of deflagration flames in narrow channels.
这一结果也进一步证实了冷壁效应是爆燃火焰在狭缝中淬熄的主要原因。
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